package com.hhit.collaborative_learning.communication;

import java.io.IOException;
import java.sql.Connection;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONObject;

import com.hhit.collaborative_learning.dao.CoopTaskDao;
import com.hhit.collaborative_learning.dao.CoopTaskReplyDao;
import com.hhit.collaborative_learning.dao.impl.CoopTaskDaoImpl;
import com.hhit.collaborative_learning.dao.impl.CoopTaskReplyDaoImpl;
import com.hhit.collaborative_learning.utils.DBAccess;
import com.hhit.collaborative_learning.utils.ResponseUtil;
import com.mysql.jdbc.StringUtils;

/**
 * Servlet implementation class DeletCoopTaskServlet
 */
@WebServlet("/communication/DeletCoopTaskServlet")
public class DeletCoopTaskServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public DeletCoopTaskServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		String task_id = request.getParameter("task_id");
		String isSuccess = "false";
		JSONObject jobj = new JSONObject();
		Connection con = DBAccess.getInstance().getConn();
		CoopTaskDao td=new CoopTaskDaoImpl();
		CoopTaskReplyDao tr=new CoopTaskReplyDaoImpl();
		if (!StringUtils.isNullOrEmpty(task_id)) {
			int rtr = tr.delete(con, " TaskID=" + task_id);
			int rt = td.delete(con, " ID=" + task_id);
			if (rtr*rt != 0) {
				isSuccess = "true";
			}
		}
		jobj.put("isSuccess", isSuccess);
		try {
			ResponseUtil.write(response, jobj.toString());
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			DBAccess.getInstance().close(con, null, null);
		}
	}

}
